68914

Appears in sequences

• 2-nadirs of sigma: numbers k such that sigma(k-2) > sigma(k-1) > sigma(k) < sigma(k+1) < sigma(k+2).at n=2A076774
• Expansion of (1-x)^(-1)/(1-x^2+2*x^3).at n=30A077884
• Total number of distinct winning paths across an n X n Hex board.at n=6A095707
• Triangular array read by rows. T(n,k) is the number of n-permutations that have at least k fixed points with n >= 1 and 1 <= k <= n.at n=48A208956
• Triangle read by rows: T(n,k) is the number of n-permutations whose fourth-shortest cycle has length exactly k; n >= 0, 0 <= k <= max(0,n-3).at n=32A350274